Home / 803,518.76-1,108,869.50-440,976.35

Finding the Fourth Proportional to 803,518.76, 1,108,869.50 and 440,976.35

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Solution

The fourth proportional to 803,518.76, 1,108,869.50 and 440,976.35 is: 608,554.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,518.76 : 1,108,869.50 = 440,976.35 : x
  2. Step 2: Convert to fraction form
    803,518.76/1,108,869.50 = 440,976.35/x
  3. Step 3: Cross multiply
    803,518.76x = 1,108,869.50 × 440,976.35
  4. Step 4: Simplify right side
    803,518.76x = 488,985,228,610.94
  5. Step 5: Solve for x
    x = 488,985,228,610.94/803,518.76
  6. Step 6: Final answer
    x = 608,554.84

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.